Definition: In this task, you are given an input list A. You need to convert all the alphabets in the list with a number representing their position in the English alphabet. E.g., replace A by 1, B by 2, a by 1, b by 2, and so on.
Input: ['8933', 'M', 'S', 'd', 'W', 'Q']

8933, 13, 19, 4, 23, 17